| 摘要 |
A gas sampling device for a Buchholz relay, a Buchholz relay comprising such sampling device and a method for operating said sampling device, which comprises
- a body (12) having a through channel (13) equipped with an inlet opening (14), suitable for being put in communication with the interior of a Buchholz relay (11), and an outlet opening (15) suitable for being put in communication with a sampling container (16);
- a valve (17) connected with said body and intercepting said channel (13), operable in order to open and close said channel (13);
- an actuating device (18), which is electromechanical, mechanically connected to the valve (17) in order to operate it;
- a controlling device (19), which is electronic, electronically connected to the actuating device (18), in order to control it, the controlling device (19) being operable in order to operate the valve (17) in order to to perform the gas sampling in the Buchholz relay (11). |
